<?php

// +----------------------------------------------------------------------
// | TOPThink [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2010 http://topthink.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 麦当苗儿 <zuojiazi.cn@gmail.com> <http://www.zjzit.cn>
// +----------------------------------------------------------------------
// | QqSDK.class.php 2013-02-25
// +----------------------------------------------------------------------

class QqSDK extends Common\Util\ThinkSDK\ThinkOauth {

    /**
     * 获取requestCode的api接口
     * @var string
     */
    protected $GetRequestCodeURL = 'https://graph.qq.com/oauth2.0/authorize';

    /**
     * 获取access_token的api接口
     * @var string
     */
    protected $GetAccessTokenURL = 'https://graph.qq.com/oauth2.0/token';

    /**
     * 获取request_code的额外参数,可在配置中修改 URL查询字符串格式
     * @var srting
     */
    protected $Authorize = 'scope=get_user_info,add_share';

    /**
     * API根路径
     * @var string
     */
    protected $ApiBase = 'https://graph.qq.com/';

    /**
     * 分享链接
     * @var string
     */
    protected $ShareUrl = 'http://connect.qq.com/widget/shareqq/index.html';

    /**
     * 组装接口调用参数 并调用接口
     * @param  string $api    微博API
     * @param  string $param  调用API的额外参数
     * @param  string $method HTTP请求方法 默认为GET
     * @return json
     */
    public function call($api, $param = '', $method = 'GET', $multi = false) {
        /* 腾讯QQ调用公共参数 */
        $params = array(
            'oauth_consumer_key' => $this->AppKey,
            'access_token' => $this->Token['access_token'],
            'openid' => $this->openid(),
            'format' => 'json'
        );

        $data = $this->http($this->url($api), $this->param($params, $param), $method);
        return json_decode($data, true);
    }

    public function parseExtend($request)
    {
        $extend = null;
        if ($request['access_token'] && $request['openid']){
            $extend = array_filter_by_array($request, ['access_token', 'openid', 'nickname', 'avatar']);
        }
        return $extend;
    }

    /**
     * 解析access_token方法请求后的返回值 
     * @param string $result 获取access_token的方法的返回值
     */
    protected function parseToken($result, $extend) {
        parse_str($result, $data);
        $extend && $data = array_merge($data, $extend);
        if ($data['access_token']) {
            $this->Token = $data;
            $this->Token['openid'] = $data['openid'] = $this->openid();
            if (empty($data['nickname'])){
                $res = $this->call('user/get_user_info',[], 'GET');
                $data['nickname'] = $res['nickname'];
                $data['avatar'] = $res['figureurl_qq_2'] ?: $res['figureurl_qq_1'];
            }
            return $data;
        } else
            throw new Exception("获取腾讯QQ ACCESS_TOKEN 出错：{$result}");
    }

    /**
     * 获取当前授权应用的openid
     * @return string
     */
    public function openid() {
        $data = $this->Token;
        $data['openid'] = $data['openid'] ? $data['openid'] : $_COOKIE['openid'];
        $data['access_token'] = $data['access_token'] ? $data['access_token'] : $_COOKIE['token'];
        if (isset($data['openid']))
            return $data['openid'];
        elseif ($data['access_token']) {
            $data = $this->http($this->url('oauth2.0/me'), array('access_token' => $data['access_token']));
            $data = json_decode(trim(substr($data, 9), " );\n"), true);
            if (isset($data['openid']))
                return $data['openid'];
            else
                throw new Exception("获取用户openid出错：{$data['error_description']}");
        } else {
            throw new Exception('没有获取到openid！');
        }
    }

    public function code($redirect_url = '', $state='')
    {
        $param =  ['channel'=>'qq'];
        $redirect_url && $param['redirect_url'] =  base64_encode($redirect_url);
        $redirect = U('Home/Sso/code', $param, false, true);
        $redirect = urlencode($redirect);
        return "https://graph.qq.com/oauth2.0/authorize?client_id=".$this->AppKey."&redirect_uri={$redirect}&response_type=code&scope=get_user_info&state={$state}";
    }

    public function nickname()
    {
        
    }

    public function share($param)
    {
        $share_data = [
            'url' => $param['share_url'],
            'title' => $param['title'],
            'site' => '66play',
            'summary' => '66play',
            'pics' => $param['thumb'],
        ];
        $url = $this->ShareUrl . '?' . http_build_query($share_data);

        return ['type' => 'web', 'url'  => $url];
    }
}
